annotate models (#2697)

* add annotate to Gemfile

* rails g annotate:install

* configure annotate_models

* add schema info to models

* fix rubocop to add frozen_string_literal

app/models/user.rb

@@ -1,4 +1,37 @@
 # frozen_string_literal: true
+# == Schema Information
+#
+# Table name: users
+#
+#  id                        :integer          not null, primary key
+#  email                     :string           default(""), not null
+#  account_id                :integer          not null
+#  created_at                :datetime         not null
+#  updated_at                :datetime         not null
+#  encrypted_password        :string           default(""), not null
+#  reset_password_token      :string
+#  reset_password_sent_at    :datetime
+#  remember_created_at       :datetime
+#  sign_in_count             :integer          default(0), not null
+#  current_sign_in_at        :datetime
+#  last_sign_in_at           :datetime
+#  current_sign_in_ip        :inet
+#  last_sign_in_ip           :inet
+#  admin                     :boolean          default(FALSE)
+#  confirmation_token        :string
+#  confirmed_at              :datetime
+#  confirmation_sent_at      :datetime
+#  unconfirmed_email         :string
+#  locale                    :string
+#  encrypted_otp_secret      :string
+#  encrypted_otp_secret_iv   :string
+#  encrypted_otp_secret_salt :string
+#  consumed_timestep         :integer
+#  otp_required_for_login    :boolean
+#  last_emailed_at           :datetime
+#  otp_backup_codes          :string           is an Array
+#  allowed_languages         :string           default([]), not null, is an Array
+#
 
 class User < ApplicationRecord
   include Settings::Extend